Map for National Water Quality Month

Community Spotlight:

Speed Limit Improvements in OSM

Do you have efforts to share with the community or do you want to celebrate another mapper’s work? Let us know!

Upcoming Events

We’re excited to announce the return of Mapping USA in November - this year in partnership with WikiConference North America! Stay tuned for additional details on the call for proposals, sponsorship, and more.

Have an idea for an event or interested in presenting at an upcoming Mappy Hour? Let us know!
Find (and add) more events at
osmcal.org

Love what we do? Support OSM US today!